Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KENNETH SPIERS BROWN MD
NPI 1003817537
Internal Medicine in Pomona, CA

Active since August 09, 2005
1866 N ORANGE GROVE AVE, STE 102, POMONA, CA 91767(909) 620-4373(909) 620-7179 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

About Kenneth Spiers Brown Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KENNETH SPIERS BROWN MD (NPI 1003817537) is an individual internal medicine provider in Pomona, California, licensed in California (G304546) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1003817537
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameKENNETH SPIERS BROWNCredential: MD
Location Address1866 N ORANGE GROVE AVE, STE 102Pomona, CA 91767-3031
Mailing Address1866 N Orange Grove Ave, Ste 102Pomona, CA 91767-3031 · (909) 620-4373 · Fax (909) 620-7179
Fax(909) 620-7179
Sole ProprietorNo
Enumeration DateAugust 9, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1003817537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · G304546
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1866 N ORANGE GROVE AVE, Pomona, CA 91767

Other Identifiers 1

Medicaid00G304560CA

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Cardiovascular Disease)
1866 N ORANGE GROVE AVE, 202
POMONA, CA 91767
Internal Medicine (Cardiovascular Disease)
1866 N ORANGE GROVE AVE, SUITE 202
POMONA, CA 91767
Internal Medicine (Sleep Medicine)
1866 N ORANGE GROVE AVE, SUITE 102
POMONA, CA 91767
Internal Medicine
1866 N ORANGE GROVE AVE, SUITE 102
POMONA, CA 91767
Internal Medicine (Cardiovascular Disease)
1866 N ORANGE GROVE AVE, SUITE # 202
POMONA, CA 91767
Family Medicine
1866 N ORANGE GROVE AVE, SUITE 202
POMONA, CA 91767
Internal Medicine
1866 N ORANGE GROVE AVE, 202 201 102 & 104
POMONA, CA 91767
Internal Medicine
1866 N ORANGE GROVE AVE, SUITE # 102
POMONA, CA 91767

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kenneth Brown's NPI number?

The NPI number for Kenneth Brown is 1003817537. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Kenneth Brown located?

Kenneth Brown practices at 1866 N Orange Grove Ave Ste 102, Pomona, CA 91767. The listed phone number is (909) 620-4373.

What is Kenneth Brown's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Kenneth Brown was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.